What's new with Kotlin - Google IO18' extended Covenant University.
- 1. What's new with By Simileoluwa Aluko
- 2. Outline Brief Introduction of Kotlin Syntax What's new with Kotlin Kotlin and Android Beyond Android References
- 3. A Brief Introduction Kotin is a statically typed programming language for Multiplatform applications. It is 100% interoperable with Java and the Android platform. Kotlin is an official language on Android. It is officially supported by Google. Kotlin can be used to build Server-Side applications, Web applications and Native applications
- 4. Why kotlin? Concise It drastically reduces the amount of boilerplate code. You are set free from writing redundant lines of code! Safe Errors due to null pointer exceptions are properly handled in kotlin. This helps you avoid a ton of errors. Variables cannot be set to null by default. Interoperable Kotlin is fully compatible with any library on the JVM and Android. It can also be deployed on the browser
- 5. Kotlin syntax The Famous "Hello World!"
- 6. Kotlin syntax It is object oriented
- 7. Kotlin syntax For the "Androiders"
- 9. What's new with kotlin Getter and setter classes Data classes Classes are not expensive Initialising variables by lazy Extension functions Default parameter values When statement With and Apply Maps Null Safety Coroutines
- 10. What's new with kotlin Kotlin Java Getter and setter classes
- 11. What's new with kotlin Classes are not expensive
- 12. What's new with kotlin Variables by Lazy
- 13. What's new with kotlin Extension functions
- 14. What's new with kotlin When statement
- 15. What's new with kotlin Apply
- 16. What's new with kotlin With
- 17. What's new with kotlin Maps
- 18. What's new with kotlin Null Safety Nullable types and non-null types Safe calls Elvis operator
- 19. What's new with kotlin Coroutines Coroutines are really nice. Basically, they are like very minimal light-weight Threads. The Read more about them here : https://kotlinlang.org/docs/reference/coroutines.html
- 20. Kotlin and Android A few highlights... Avoid NullPointerExceptions in your code. Code becomes more readable and concise. Lambdas . Default and named arguments. Bye✌🏽👋🏽 findViewById(). Extend functionality without inheritance using extensive functions. 100% interoperable with java. Kotlin is an open source project; just like our beloved Android.
- 21. Beyond Android ➤ Kotlin for server side development http://kotlinlang.org/docs/reference/server-overview.html ➤ Kotlin for Web development http://kotlinlang.org/docs/reference/js-overview.html ➤ Kotlin/Native http://kotlinlang.org/docs/reference/js-overview.html
- 22. References https://kotlinlang.org https://kotlinlang.org/docs/reference/ https://developer.android.com/kotlin/ Google IO18 - How to Kotlin by Andrey Breslav
- 23. “ Kotlin is not just about writing your app with lesser lines. It’s all about writing SAFER & BETTER APPS!
- 24. Gracias!